Shure EA410L Large Soft Flex Sleeves for E3c / E4c / E5c / E500 / i3c / i4c earphones (5 Pairs). Because every ear is different, Shure sound isolating earphones come with a broad assortment of sleeves to ensure a personalized fit, as well as to ensure proper sound isolation. These flexible reusable sleeves fit comfortably in the ear and allow for ease of insertion. Large size - choose carefully for the best personal fit.Shure also use PA758L EASFZ1-10 part numbers for this product

Shure sound-isolating earphones come with a broad assortment of sleeves to ensure a personalized fit, as well as proper sound isolation. The flex sleeves are sized medium for people with mid-sized ear canals, so choose carefully for the best possible fit (Shure also sells small and large sleeves). They're designed specifically for use with the Shure E2c sound-isolating earphones. This pack includes 10 flexible, reusable sleeves that fit comfortably in the ear and are easy to insert.